Upgrade priority: ❗ HIGH ❗ Please upgrade your node as soon as possible due to changes: #4270 and #4273 (see details below).

Native runtimes:

• Polkadot: 9130
• Kusama: 9130
• Westend: 9130

This release was tested against the following versions of rustc. Other versions may work.

• rustc 1.56.1 (59eed8a2a 2021-11-01)
• rustc 1.58.0-nightly (46b8e7488 2021-11-07)

WASM runtimes built with srtool v0.9.18 using rustc 1.56.1 (59eed8a2a 2021-11-01).

Proposal hashes:

• polkadot_runtime-v9130.compact.compressed.wasm: 0x70d1a30b4f562b540ff69109cac8259d97ef5f36388202dacf7ca60c02c35bcf
• kusama_runtime-v9130.compact.compressed.wasm: 0xd1f2e86456642553fc7a6d00728b108d2e5d6e06506bf152936cc0255e3eed40

Changes

• Limit the number of PVF workers (#4273)
• Increase preparation timeout (#4270)
• Per subsystem CPU usage tracking (#4239)
• remove duplicate Deposit from OnUnbalanced implementation (#4180)
• polkadot: remove call filters on registrar pallets (#4093)

Client

• Add group name in task metrics (paritytech/substrate#10196)
• Add a trie_root_hash variant for chain specs genesis (paritytech/substrate#10140)
• Don't print "Discovered new external" line for private IPs (paritytech/substrate#10055)
• Removal of light client from substrate (paritytech/substrate#9684)

Runtime

• ⏳ pending non-critical audit Enable full use of pallet-bags-list in westend and kusama runtimes (#4195)
• ✅ not live Allow Queries and Subscriptions (#4150)
• ⏳ pending non-critical audit Fix XCM Teleport Benchmark (#4146)
• ✅ not live Fix weights on hard-coded XCM fragments (#4144)
• ✅ audited Enable bags-list pallet in polkadot (#4080)
• ✅ trivial Introduce new Runtime API endpoint for fetching the validation data (#3728)
• ✅ not live Fix Weight Handlebar Template (paritytech/substrate#10302)
• ✅ trivial Offence implementations can disable offenders independently from slashing (paritytech/substrate#10201)
• ⏳ pending non-critical audit rework staking::reap_stash (paritytech/substrate#10178)
• ✅ not live contracts: Fix account counter isn't persisted (paritytech/substrate#10112)
• ✅ trivial Kill the light client, CHTs and change tries. (paritytech/substrate#10080)
• ❌ AWAITING AUDIT implement dispatch_as (paritytech/substrate#9934)
• ✅ not live Support MMR Pruning (paritytech/substrate#9700)
• ✅ not live Add Baseline FRAME Benchmarks (paritytech/substrate#9691)